diff --git a/package.json b/package.json
index 73a8259c6..64e351b9e 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "1.3.2",
   "description": "Dead simple Object schema validation",
   "main": "lib/index.js",
+  "umd:main": "lib/index/umd.js",
   "module": "lib/index.esm.js",
   "runkitExampleFilename": "./runkit-example.js",
   "scripts": {
@@ -94,6 +95,7 @@
     "prettier": "^2.8.8",
     "rollup": "^2.79.1",
     "rollup-plugin-babel": "^4.4.0",
+    "rollup-plugin-commonjs": "^10.1.0",
     "rollup-plugin-dts": "^4.2.3",
     "rollup-plugin-filesize": "^9.1.2",
     "rollup-plugin-node-resolve": "^5.2.0",
diff --git a/rollup.config.js b/rollup.config.js
index 1ccb65de9..1185357e5 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -2,6 +2,7 @@ import nodeResolve from '@rollup/plugin-node-resolve';
 import babel from '@rollup/plugin-babel';
 import dts from 'rollup-plugin-dts';
 import filesize from 'rollup-plugin-filesize';
+import commonJS from 'rollup-plugin-commonjs';
 
 const base = {
   input: './src/index.ts',
@@ -13,7 +14,6 @@ const base = {
       extensions: ['.js', '.ts'],
     }),
   ],
-  external: ['tiny-case', 'toposort', 'fn-name', 'property-expr'],
 };
 
 module.exports = [
@@ -24,6 +24,7 @@ module.exports = [
   },
   {
     ...base,
+    external: ['tiny-case', 'toposort', 'fn-name', 'property-expr'],
     output: [
       {
         file: 'lib/index.js',
@@ -36,4 +37,19 @@ module.exports = [
     ],
     plugins: [...base.plugins, filesize()],
   },
+  {
+    ...base,
+    output: [
+      {
+        file: 'lib/index.umd.js',
+        format: 'umd',
+        name: 'yup',
+      },
+    ],
+    plugins: [
+      ...base.plugins,
+      filesize(),
+
+    ],
+  },
 ];
diff --git a/yarn.lock b/yarn.lock
index 8848660d3..f200cd6a4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1659,6 +1659,11 @@
   resolved "https://registry.yarnpkg.com/@types/color-name/-/color-name-1.1.1.tgz#1c1261bbeaa10a8055bbc5d8ab84b7b2afc846a0"
   integrity sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==
 
+"@types/estree@*":
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/@types/estree/-/estree-1.0.4.tgz#d9748f5742171b26218516cf1828b8eafaf8a9fa"
+  integrity sha512-2JwWnHK9H+wUZNorf2Zr6ves96WHoWDJIftkcxPKsS7Djta6Zu519LarhRNljPXkpsZR2ZMwNCPeW7omW07BJw==
+
 "@types/estree@0.0.39":
   version "0.0.39"
   resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
@@ -4759,6 +4764,11 @@ function-bind@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
 
+function-bind@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.2.tgz#2c02d864d97f3ea6c8830c464cbd11ab6eab7a1c"
+  integrity sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==
+
 function.prototype.name@^1.1.5:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/function.prototype.name/-/function.prototype.name-1.1.5.tgz#cce0505fe1ffb80503e6f9e46cc64e46a12a9621"
@@ -5160,6 +5170,13 @@ has@^1.0.3:
   dependencies:
     function-bind "^1.1.1"
 
+hasown@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/hasown/-/hasown-2.0.0.tgz#f4c513d454a57b7c7e1650778de226b11700546c"
+  integrity sha512-vUptKVTpIJhcczKBbgnS+RtcuYMB8+oNzPK2/Hp3hanz8JmpATdmmgLgSaadVREkDm+e2giHwY3ZRkyjSIDDFA==
+  dependencies:
+    function-bind "^1.1.2"
+
 header-case@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/header-case/-/header-case-2.0.4.tgz#5a42e63b55177349cf405beb8d775acabb92c063"
@@ -5635,6 +5652,13 @@ is-core-module@^2.11.0, is-core-module@^2.5.0, is-core-module@^2.9.0:
   dependencies:
     has "^1.0.3"
 
+is-core-module@^2.13.0:
+  version "2.13.1"
+  resolved "https://registry.yarnpkg.com/is-core-module/-/is-core-module-2.13.1.tgz#ad0d7532c6fea9da1ebdc82742d74525c6273384"
+  integrity sha512-hHrIjvZsftOsvKSn2TRYl63zvxsgE0K+0mYMoH6gD4omR5IWB2KynivBQczo3+wF1cCkjzvptnI9Q0sPU66ilw==
+  dependencies:
+    hasown "^2.0.0"
+
 is-data-descriptor@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz#0b5ee648388e2c860282e793f1856fec3f301b56"
@@ -5833,6 +5857,13 @@ is-promise@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.1.0.tgz#79a2a9ece7f096e80f36d2b2f3bc16c1ff4bf3fa"
 
+is-reference@^1.1.2:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/is-reference/-/is-reference-1.2.1.tgz#8b2dac0b371f4bc994fdeaba9eb542d03002d0b7"
+  integrity sha512-U82MsXXiFIrjCK4otLT+o2NA2Cd2g5MLoOVXUZjIOhLurrRxpEXzI8O0KZHr3IjLvlAH1kTPYSuqer5T9ZVBKQ==
+  dependencies:
+    "@types/estree" "*"
+
 is-regex@^1.0.4, is-regex@^1.1.4:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.1.4.tgz#eef5663cd59fa4c0ae339505323df6854bb15958"
@@ -6854,6 +6885,13 @@ lru-cache@^6.0.0:
   dependencies:
     yallist "^4.0.0"
 
+magic-string@^0.25.2:
+  version "0.25.9"
+  resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.25.9.tgz#de7f9faf91ef8a1c91d02c2e5314c8277dbcdd1c"
+  integrity sha512-RmF0AsMzgt25qzqqLc1+MbHmhdx0ojF2Fvs4XnOqz2ZOBXzzkEwc/dJQZCYHAn7v1jbVOjAZfK8msRn4BxO4VQ==
+  dependencies:
+    sourcemap-codec "^1.4.8"
+
 magic-string@^0.26.6:
   version "0.26.7"
   resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.26.7.tgz#caf7daf61b34e9982f8228c4527474dac8981d6f"
@@ -8785,6 +8823,15 @@ resolve@^1.10.0, resolve@^1.11.1, resolve@^1.14.2, resolve@^1.19.0, resolve@^1.2
     path-parse "^1.0.7"
     supports-preserve-symlinks-flag "^1.0.0"
 
+resolve@^1.11.0:
+  version "1.22.8"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.22.8.tgz#b6c87a9f2aa06dfab52e3d70ac8cde321fa5a48d"
+  integrity sha512-oKWePCxqpd6FlLvGV1VU0x7bkPmmCNolxzjMf4NczoDnQcIWrAF+cPtZn5i6n+RfD2d9i0tzpKnG6Yk168yIyw==
+  dependencies:
+    is-core-module "^2.13.0"
+    path-parse "^1.0.7"
+    supports-preserve-symlinks-flag "^1.0.0"
+
 resolve@^2.0.0-next.4:
   version "2.0.0-next.4"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-2.0.0-next.4.tgz#3d37a113d6429f496ec4752d2a2e58efb1fd4660"
@@ -8858,6 +8905,17 @@ rollup-plugin-babel@^4.4.0:
     "@babel/helper-module-imports" "^7.0.0"
     rollup-pluginutils "^2.8.1"
 
+rollup-plugin-commonjs@^10.1.0:
+  version "10.1.0"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-commonjs/-/rollup-plugin-commonjs-10.1.0.tgz#417af3b54503878e084d127adf4d1caf8beb86fb"
+  integrity sha512-jlXbjZSQg8EIeAAvepNwhJj++qJWNJw1Cl0YnOqKtP5Djx+fFGkp3WRh+W0ASCaFG5w1jhmzDxgu3SJuVxPF4Q==
+  dependencies:
+    estree-walker "^0.6.1"
+    is-reference "^1.1.2"
+    magic-string "^0.25.2"
+    resolve "^1.11.0"
+    rollup-pluginutils "^2.8.1"
+
 rollup-plugin-dts@^4.2.3:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/rollup-plugin-dts/-/rollup-plugin-dts-4.2.3.tgz#04c3615df1ffab4228aa9d540697eaca61e01f47"